19696677

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{937}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 35929152

約数和(自身を除く): 16232475

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 49, 77, 91, 143, 147, 231, 273, 429, 539, 637, 937, 1001, 1617, 1911, 2811, 3003, 6559, 7007, 10307, 12181, 19677, 21021, 30921, 36543, 45913, 72149, 85267, 133991, 137739, 216447, 255801, 401973, 505043, 596869, 937937, 1515129, 1790607, 2813811, 6565559, 19696677]

約数ペア:

[(1, 19696677), (3, 6565559), (7, 2813811), (11, 1790607), (13, 1515129), (21, 937937), (33, 596869), (39, 505043), (49, 401973), (77, 255801), (91, 216447), (143, 137739), (147, 133991), (231, 85267), (273, 72149), (429, 45913), (539, 36543), (637, 30921), (937, 21021), (1001, 19677), (1617, 12181), (1911, 10307), (2811, 7007), (3003, 6559)]